string: Enable __FORTIFY_LEVEL=3
[glibc.git] / stdio-common / printf.c
blob15f71c1feddf9e8324ab38afb351c7840af5a8fc
1 /* Copyright (C) 1991-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
18 #include <libioP.h>
19 #include <stdarg.h>
20 #include <stdio.h>
22 #undef printf
24 /* Write formatted output to stdout from the format string FORMAT. */
25 /* VARARGS1 */
26 int
27 __printf (const char *format, ...)
29 va_list arg;
30 int done;
32 va_start (arg, format);
33 done = __vfprintf_internal (stdout, format, arg, 0);
34 va_end (arg);
36 return done;
39 #undef _IO_printf
40 ldbl_strong_alias (__printf, printf);
41 ldbl_strong_alias (__printf, _IO_printf);